Cementos Bío-Bío has cut PM emissions at its Talcahuano works by more than 600tpa.
The improvement follows the installation of a bag filter, which has been in operations since last year and represents an investment of US$5m.
Cementos Argos to appeal Cartagena environmental ruling
Cementos Argos will appeal a Colombian court ruling ordering it and 11 other entities to compe...